// ******************************************************************
// Copyright � 2015-2018 nventive inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ******************************************************************
using System;
using System.Collections.Generic;
using System.Text;

namespace Uno
{
	/// <summary>
	/// A reference equality comparer for instances.
	/// </summary>
	public class ReferenceEqualityComparer<T> : IEqualityComparer<T>
	{
		public static readonly ReferenceEqualityComparer<T> Default = new ReferenceEqualityComparer<T>();

		private ReferenceEqualityComparer() { }

		public bool Equals(T left, T right) => ReferenceEquals(left, right);

		public int GetHashCode(T obj) => obj.GetHashCode();
	}
}
